*** DO NOT LAND *** Attempt to understand Regions complexity

Source/core/dom/PseudoElement.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 46 matching lines @@
     virtual void didRecalcStyle(StyleRecalcChange) OVERRIDE;
     virtual PseudoId customPseudoId() const OVERRIDE { return m_pseudoId; }
 
     PseudoId m_pseudoId;
 };
 
 const QualifiedName& pseudoElementTagName();
 
 inline bool pseudoElementRendererIsNeeded(const RenderStyle* style)
 {
-    return style && style->display() != NONE && (style->styleType() == BACKDROP || style->contentData() || style->hasFlowFrom());
+    return style && style->display() != NONE && (style->styleType() == BACKDROP || style->contentData());
 }
 
 DEFINE_NODE_TYPE_CASTS(PseudoElement, isPseudoElement());
 
 } // namespace
 
 #endif